package com.sky.controller.user;

import com.sky.constant.JwtClaimsConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.properties.JwtProperties;
import com.sky.result.Result;
import com.sky.service.UserService;
import com.sky.utils.JwtUtil;
import com.sky.vo.UserLoginVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
@Slf4j
@RequestMapping("user/user")
@Api(value ="用户登录")
public class UserLoginController {
    @Autowired
    private UserService userService;

    @Autowired
    private JwtProperties jwtProperties;

    /**
     * 微信登录
     * @param userLoginDTO
     * @return
     */
    @PostMapping("/login")
    @ApiOperation("微信登录")
    public Result<UserLoginVO> login(@RequestBody UserLoginDTO userLoginDTO){
        // 1)拿着code 跟微信要openid 2)将openid存入数据库 (可能已经有、没有) 3)得到用户ID和openid
        User user = userService.login(userLoginDTO);

        // 生成JWT 将用户ID放到JWT中！
        Long userId = user.getId();
        Map<String, Object> claims = new HashMap<>();
        claims.put(JwtClaimsConstant.USER_ID, userId);
        String token = JwtUtil.createJWT(
                jwtProperties.getUserSecretKey(),
                jwtProperties.getUserTtl(),
                claims);

        // 封装用户ID openid jwt
        UserLoginVO data = new UserLoginVO(userId, user.getOpenid(), token);
        return Result.success(data);
    }

}
